#21104C#21104C

#21104C is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.1% C 0.103 H 289.2°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#21104C
RGB	rgb(33, 16, 76)
HSL	hsl(257, 65%, 18%)
HSV	hsv(257, 79%, 30%)
CMYK	cmyk(56.6%, 78.9%, 0%, 70.2%)
CIE-LAB	lab(10.67, 25.71, -33.98)
CIE-LCH	lch(10.67, 42.61, 307.11°)
OKLab	oklab(24.13% 0.0341 -0.0976)
OKLCH	oklch(24.13% 0.103 289.2)
XYZ	xyz(2.1166, 1.2156, 6.9592)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21104C #3B4C10

analogous

#101D4C #21104C #3F104C

triadic

#21104C #4C2110 #104C21

tetradic

#21104C #4C101D #3B4C10 #104C3F

square

#21104C #4C101D #3B4C10 #104C3F

split-complementary

#21104C #4C3F10 #1D4C10

monochromatic

#0B0519 #0B0519 #21104C #371B7F #4D25B1

Accessibility & contrast

On white

16.89

#21104C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#21104C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21104C

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21104C	#FFFFFF	#000000	##FFFFFF
##21104C	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4E

Deuteranopia (green-blind)

#001B4B

Tritanopia (blue-blind)

#11202C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #21104c;
/* rgb */ color: rgb(33, 16, 76);
/* oklch */ color: oklch(24.1% 0.103 289.2);

Tailwind

colors: {
  custom: {
    50: '#62507f',
    500: '#21104c',
    950: '#000000',
  },
}

SCSS

$custom: #21104c;
$custom-light: #62507f;
$custom-dark: #000000;

JSON

{
  "hex": "#21104c",
  "rgb": {
    "r": 33,
    "g": 16,
    "b": 76
  },
  "hsl": {
    "h": 257,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.24128,
    "c": 0.10336,
    "h": 289.2
  },
  "luminance": 0.01216
}

Semantic roles & 50–950 ramp

primary

#21104C

secondary

#6E8632

accent

#E840B8

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#05020A

muted

#7A787C

Preview Lab

Preview with #21104C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →